Answer:
Double time = 65.42 years
Explanation:
We can find what year the human population would double using the rule of 70. This is given as;
Double time = 70 / rate(r)
From the question;
Double time = ?
Rate = 1.07%
Inserting into the equation;
Double time = 70 / 1.07
Double time = 65.42 years
Answer:
21
Explanation:
Formula;
Mass number = number of protons + number of neutrons
= 9 + 12
= 21
Combustion is the reaction
Ne because it it just a regular element (neon)